In NEED of Smokey Cartridge - Page 2

big al hunter · May 6, 2019, 12:05 AM

Quote:

Colored smoke and/or a contrasting background will help, and using a compressed air source will allow you to show the effect over a longer time, making it easier for people to see, for demonstration purposes.

Check the electrical supply warehouse near you. Canned smoke for testing fire detector function is in an aerosol can. Perfect for smoke under pressure.

briandg · May 9, 2019, 02:11 AM

Here is a carefully crafted answer.

You haven't said what your rifle is. In any case, it has a side port.

Your charge is designed to spray right out of the center hole, right? You need to divert it. A good way to do that would be to seal the end of that brake with a coin or some other object that is pretty well hot glued on. Your smokey, nasty blank charge will blast out the ports with a burp of fire and a lot of visible trails.

How would you make a blank? If you are using a bolt I would use maybe three grains of FFFG (low smoke type) and a big wad of bees wax to seal the end. I don't know if that would work, your charge will certainly burn, your bees wax will certainly leave you with a smoky grey discharge from your ports, and that thing will without doubt be video friendly.

It is probable that your cap on the thing will blow off at least once in a while, maybe every time. The concern is that you need to build pressure at that region or your smoky gas isn't going to care if you have vents and it will just follow the path that it is set on. You want a truly bodacious jet of fire and smoke to give the proper theatrical presentation. three grains of BP and a plug should be about appropriate for a fixed breech and unported barrel.

If you are using an AR or other gas op rifle your smartest move, imo, would be to carefully stick a ball of bees wax about the size of a BB onto the bullet base as you load some rounds. Use a very low charge. You will wind up with a burst of flame and smoke as the blistering hot hydrocarbons released from the wax hit oxygen. Then you will have to scrub that gun as diligently as you possibly can to get rid of the nasty grease that would have been forced into the system.

You could also do this type of plan by just globbing a bit of petroleum jelly or other gunk into a load. No need for wax, just smear a bit of grease in.

Your primary goal is to have an impressive jet of smoke or gasses, right? blocking that break's muzzle and using a smoky round will give you a jet.

This sealed cap on the break is similar to the function of a blank adaptor for an AR. it blocks the gas from escaping and allows it to push through the gas system and operate the bolt. lightly gluing a disc over the muzzle of the break will also force the gases out to the side.

Flyboy_451 · May 9, 2019, 08:49 PM

And focus on photography knowledge and skill. Simple solution is to record in low light or even complete darkness. Depending on what equipment you have, you may even be better off doing still photography vs video.

Check out this thread on muzzle blast photography...

https://thefiringline.com/forums/sho...d.php?t=602031

JW

Srewball · May 19, 2019, 06:01 AM

Just a thought, what about a small piece of dry ice sitting just at the end of the barrel before the ports, a drop or two of water and then push a bit of compressed air in the chamber? Black background would show some really white clean "smoke" and clean up would be simple.
Chris

9MMand223only · May 19, 2019, 06:34 PM

This is easy one, before each shot, spray Hornady ONE SHOT down bore. It will make small smoke plume on first shot

May 9, 2019, 02:11 AM	#27
briandg Senior Member Join Date: May 4, 2010 Posts: 5,468	Here is a carefully crafted answer. You haven't said what your rifle is. In any case, it has a side port. Your charge is designed to spray right out of the center hole, right? You need to divert it. A good way to do that would be to seal the end of that brake with a coin or some other object that is pretty well hot glued on. Your smokey, nasty blank charge will blast out the ports with a burp of fire and a lot of visible trails. How would you make a blank? If you are using a bolt I would use maybe three grains of FFFG (low smoke type) and a big wad of bees wax to seal the end. I don't know if that would work, your charge will certainly burn, your bees wax will certainly leave you with a smoky grey discharge from your ports, and that thing will without doubt be video friendly. It is probable that your cap on the thing will blow off at least once in a while, maybe every time. The concern is that you need to build pressure at that region or your smoky gas isn't going to care if you have vents and it will just follow the path that it is set on. You want a truly bodacious jet of fire and smoke to give the proper theatrical presentation. three grains of BP and a plug should be about appropriate for a fixed breech and unported barrel. If you are using an AR or other gas op rifle your smartest move, imo, would be to carefully stick a ball of bees wax about the size of a BB onto the bullet base as you load some rounds. Use a very low charge. You will wind up with a burst of flame and smoke as the blistering hot hydrocarbons released from the wax hit oxygen. Then you will have to scrub that gun as diligently as you possibly can to get rid of the nasty grease that would have been forced into the system. You could also do this type of plan by just globbing a bit of petroleum jelly or other gunk into a load. No need for wax, just smear a bit of grease in. Your primary goal is to have an impressive jet of smoke or gasses, right? blocking that break's muzzle and using a smoky round will give you a jet. This sealed cap on the break is similar to the function of a blank adaptor for an AR. it blocks the gas from escaping and allows it to push through the gas system and operate the bolt. lightly gluing a disc over the muzzle of the break will also force the gases out to the side. __________________ None.

May 9, 2019, 08:49 PM	#28
Flyboy_451 Senior Member Join Date: July 30, 2008 Location: Missouri Posts: 172	I would stop focusing on the load And focus on photography knowledge and skill. Simple solution is to record in low light or even complete darkness. Depending on what equipment you have, you may even be better off doing still photography vs video. Check out this thread on muzzle blast photography... https://thefiringline.com/forums/sho...d.php?t=602031 JW

May 19, 2019, 06:01 AM	#29
Srewball Member Join Date: December 10, 2016 Posts: 28	Just a thought, what about a small piece of dry ice sitting just at the end of the barrel before the ports, a drop or two of water and then push a bit of compressed air in the chamber? Black background would show some really white clean "smoke" and clean up would be simple. Chris

May 19, 2019, 06:34 PM	#30
9MMand223only Senior Member Join Date: November 30, 2014 Posts: 283	This is easy one, before each shot, spray Hornady ONE SHOT down bore. It will make small smoke plume on first shot